EduSahara™ Worksheet

Question 1

1.

If the inner and outer radii of a ring are 8.00 cm and 9.00 cm respectively, the inner circle area is

(i)

174.14 sq.cm
(ii)

201.14 sq.cm
(iii)

197.14 sq.cm
(iv)

209.14 sq.cm
(v)

224.14 sq.cm

Question 2

2.

If the inner and outer radii of a ring are 7.00 cm and 8.00 cm respectively, the outer circle area is

(i)

214.14 sq.cm
(ii)

185.14 sq.cm
(iii)

177.14 sq.cm
(iv)

216.14 sq.cm
(v)

201.14 sq.cm

Question 3

3.

If the inner and outer radii of a ring are 7.00 cm and 9.00 cm respectively, the width of the ring is

(i)

0.00 cm
(ii)

1.00 cm
(iii)

4.00 cm
(iv)

2.00 cm
(v)

3.00 cm

Question 4

4.

If the inner and outer radii of a ring are 6.00 cm and 8.00 cm respectively, the area of the ring is

(i)

83.00 sq.cm
(ii)

88.00 sq.cm
(iii)

91.00 sq.cm
(iv)

93.00 sq.cm
(v)

85.00 sq.cm

Question 5

5.

If the width of the ring is 1.00 cm and inner radius is 8.00 cm, the inner circle area is

(i)

225.14 sq.cm
(ii)

183.14 sq.cm
(iii)

179.14 sq.cm
(iv)

204.14 sq.cm
(v)

201.14 sq.cm

Question 6

6.

If the width of the ring is 1.00 cm and inner radius is 9.00 cm, the outer circle radius is

(i)

10.00 cm
(ii)

7.00 cm
(iii)

15.00 cm
(iv)

5.00 cm
(v)

13.00 cm

Question 7

7.

If the width of the ring is 1.00 cm and inner radius is 7.00 cm, the outer circle area is

(i)

201.14 sq.cm
(ii)

178.14 sq.cm
(iii)

207.14 sq.cm
(iv)

214.14 sq.cm
(v)

196.14 sq.cm

Question 8

8.

If the width of the ring is 1.00 cm and inner radius is 9.00 cm, the area of the ring is

(i)

64.71 sq.cm
(ii)

56.71 sq.cm
(iii)

59.71 sq.cm
(iv)

54.71 sq.cm
(v)

62.71 sq.cm

Question 9

9.

If the width of the ring is 2.00 cm and outer radius is 7.00 cm, the inner circle radius is

(i)

4.00 cm
(ii)

5.00 cm
(iii)

3.00 cm
(iv)

7.00 cm
(v)

6.00 cm

Question 10

10.

If the width of the ring is 2.00 cm and outer radius is 10.00 cm, the inner circle area is

(i)

201.14 sq.cm
(ii)

179.14 sq.cm
(iii)

194.14 sq.cm
(iv)

205.14 sq.cm
(v)

213.14 sq.cm

Question 11

11.

If the width of the ring is 4.00 cm and outer radius is 10.00 cm, the outer circle area is

(i)

321.29 sq.cm
(ii)

332.29 sq.cm
(iii)

308.29 sq.cm
(iv)

314.29 sq.cm
(v)

299.29 sq.cm

Question 12

12.

If the width of the ring is 2.00 cm and outer radius is 7.00 cm, the area of the ring is

(i)

78.43 sq.cm
(ii)

70.43 sq.cm
(iii)

75.43 sq.cm
(iv)

80.43 sq.cm
(v)

72.43 sq.cm

Question 13

13.

If the inner radius of the ring is 6.00 cm and area of the ring is 40.86 sq.cm, the inner circle area is

(i)

135.14 sq.cm
(ii)

129.14 sq.cm
(iii)

113.14 sq.cm
(iv)

100.14 sq.cm
(v)

95.14 sq.cm

Question 14

14.

If the inner radius of the ring is 8.00 cm and area of the ring is 113.14 sq.cm, the outer circle radius is

(i)

10.00 cm
(ii)

5.00 cm
(iii)

7.00 cm
(iv)

15.00 cm
(v)

13.00 cm

Question 15

15.

If the inner radius of the ring is 8.00 cm and area of the ring is 53.43 sq.cm, the outer circle area is

(i)

280.57 sq.cm
(ii)

240.57 sq.cm
(iii)

272.57 sq.cm
(iv)

236.57 sq.cm
(v)

254.57 sq.cm

Question 16

16.

If the inner radius of the ring is 7.00 cm and area of the ring is 160.29 sq.cm, the width of the ring is

(i)

1.00 cm
(ii)

3.00 cm
(iii)

2.00 cm
(iv)

4.00 cm
(v)

5.00 cm

Question 17

17.

If the outer radius of the ring is 7.00 cm and area of the ring is 40.86 sq.cm, the inner circle radius is

(i)

6.00 cm
(ii)

5.00 cm
(iii)

8.00 cm
(iv)

7.00 cm
(v)

4.00 cm

Question 18

18.

If the outer radius of the ring is 9.00 cm and area of the ring is 141.43 sq.cm, the inner circle area is

(i)

125.14 sq.cm
(ii)

113.14 sq.cm
(iii)

129.14 sq.cm
(iv)

111.14 sq.cm
(v)

88.14 sq.cm

Question 19

19.

If the outer radius of the ring is 10.00 cm and area of the ring is 113.14 sq.cm, the outer circle area is

(i)

308.29 sq.cm
(ii)

314.29 sq.cm
(iii)

341.29 sq.cm
(iv)

289.29 sq.cm
(v)

332.29 sq.cm

Question 20

20.

If the outer radius of the ring is 8.00 cm and area of the ring is 88.00 sq.cm, the width of the ring is

(i)

2.00 cm
(ii)

0.00 cm
(iii)

1.00 cm
(iv)

3.00 cm
(v)

4.00 cm

Question 21

21.

If the area of the inner circle of the ring is 154.00 sq.cm and area of outer circle is 201.14 sq.cm, the inner circle area is

(i)

152.00 sq.cm
(ii)

131.00 sq.cm
(iii)

154.00 sq.cm
(iv)

176.00 sq.cm
(v)

168.00 sq.cm

Question 22

22.

If the area of the inner circle of the ring is 154.00 sq.cm and area of outer circle is 254.57 sq.cm, the outer circle radius is

(i)

7.00 cm
(ii)

8.00 cm
(iii)

11.00 cm
(iv)

10.00 cm
(v)

9.00 cm

Question 23

23.

If the area of the inner circle of the ring is 113.14 sq.cm and area of outer circle is 254.57 sq.cm, the width of the ring is

(i)

4.00 cm
(ii)

2.00 cm
(iii)

5.00 cm
(iv)

3.00 cm
(v)

1.00 cm

Question 24

24.

If the area of the inner circle of the ring is 113.14 sq.cm and area of outer circle is 154.00 sq.cm, the area of the ring is

(i)

45.86 sq.cm
(ii)

40.86 sq.cm
(iii)

37.86 sq.cm
(iv)

35.86 sq.cm
(v)

43.86 sq.cm

Assignment Key